28.9317’ N, 89.4283’ W

Southwest Pass, Mississippi River, LA

84°
H -°
L 81°
SE
1mph
High tide
3:46 am

Tides Today & Tomorrow in Southwest Pass, Mississippi River, LA

TIDE TIMES for Friday, September 4, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide (tomorrow) : 3:00 pm (-0.2 ft)
Next high tide (tomorrow) : in 7h 35m at 3:46 am (2.1 ft)
Sunset today : 7:16 pm
Sunrise tomorrow : 6:37 am
Moon phase : Third Quarter (46% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Jun 1894

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri6:251.54:17-0.34:596:51Waning Crescent1Fri
2Sat6:551.85:07-0.54:586:52New Moon2Sat
3Sun7:361.96:01-0.74:586:52New Moon3Sun
4Mon8:242.17:00-0.74:586:53New Moon4Mon
5Tue9:162.18:01-0.74:586:53Waxing Crescent5Tue
6Wed10:102.09:01-0.64:586:54Waxing Crescent6Wed
7Thu11:031.99:55-0.44:586:54Waxing Crescent7Thu
8Fri11:521.610:37-0.24:586:54Waxing Crescent8Fri
9Sat12:291.310:570.24:586:55First Quarter9Sat
10Sun11:480.910:170.54:586:55First Quarter10Sun
11Mon7:150.84:020.54:586:56First Quarter11Mon
12Tue5:531.03:220.24:586:56Waxing Gibbous12Tue
13Wed5:441.33:48-0.14:586:56Waxing Gibbous13Wed
14Thu6:011.54:21-0.34:586:57Waxing Gibbous14Thu
15Fri6:291.64:55-0.44:586:57Waxing Gibbous15Fri
16Sat7:011.75:30-0.44:586:57Full Moon16Sat
17Sun7:361.76:06-0.44:586:58Full Moon17Sun
18Mon8:131.76:44-0.44:586:58Full Moon18Mon
19Tue8:511.77:23-0.44:596:58Full Moon19Tue
20Wed9:291.68:01-0.34:596:58Waning Gibbous20Wed
21Thu10:051.68:34-0.24:596:59Waning Gibbous21Thu
22Fri10:381.59:01-0.14:596:59Waning Gibbous22Fri
23Sat11:061.39:160.04:596:59Waning Gibbous23Sat
24Sun11:241.19:120.25:006:59Third Quarter24Sun
25Mon10:470.98:320.45:006:59Third Quarter25Mon
26Tue6:160.86:020.45:006:59Third Quarter26Tue
27Wed5:021.02:420.25:017:00Third Quarter27Wed
28Thu4:531.22:52-0.15:017:00Waning Crescent28Thu
29Fri5:121.53:29-0.45:017:00Waning Crescent29Fri
30Sat5:491.74:16-0.65:027:00Waning Crescent30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8760959)

Common Questions About Southwest Pass, Mississippi River, LA Tides

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Is this week a spring tide or neap tide in Southwest Pass, Mississippi River, LA?

Southwest Pass, Mississippi River, LA is currently in a neap phase. Tonight's moon is 46% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly minimum.

What datum are Southwest Pass, Mississippi River, LA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Southwest Pass, Mississippi River, LA?

Tide predictions for Southwest Pass, Mississippi River, LA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Southwest Pass, Mississippi River, LA?

Tide data for Southwest Pass, Mississippi River, LA is sourced from NOAA Station #8760959. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8760959.

What is the moon phase in Southwest Pass, Mississippi River, LA tonight?

Tonight the moon over Southwest Pass, Mississippi River, LA is Third Quarter (46% illuminated). This places Southwest Pass, Mississippi River, LA in a neap tide cycle, so tidal ranges are near their weekly minimum this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA